package kr.co.doriclassic.chapter24;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;


public class DataStreamTest {
	public static void main(String[] args) throws IOException {
		DataOutputStream out = null;
		DataInputStream in = null;
		
		
		try {
			out = new DataOutputStream(new BufferedOutputStream(new FileOutputStream("data.bin")));
			out.writeDouble(3.14);
			out.writeInt(100);
			out.writeUTF("너 자신을 알라");
			
			out.flush();
			
			in = new DataInputStream(new BufferedInputStream(new FileInputStream("data.bin")));
			
			System.out.println(in.readDouble());
			System.out.println(in.readInt());
			System.out.println(in.readUTF());
		} catch (FileNotFoundException e) {
			System.out.println("파일 없음");
		} finally{
			if(in != null)
				in.close();
			if(out != null)
				out.close();
		}
	}
}
